<template>
    <div v-loading="!show" element-loading-text="数据加载中..." :style="!show ? 'height: 500px' : 'height: 100%'"
         class="app-container"
    >
        <div v-if="show">
            <el-card class="box-card">
                <div style="color: #666;font-size: 13px;">
                    <svg-icon icon-class="system" style="margin-right: 5px" />
                    <span>
                        系统：{{ data.sys.os }}
                    </span>
                    <span>
                        IP：{{ data.sys.ip }}
                    </span>
                    <span>
                        项目已不间断运行：{{ data.sys.day }}
                    </span>
                    <i class="el-icon-refresh" style="margin-left: 40px" @click="init" />
                </div>
            </el-card>
            <el-card class="box-card">
                <div slot="header" class="clearfix">
                    <span style="font-weight: bold;color: #666;font-size: 15px">状态</span>
                </div>
                <div>
                    <el-col :xs="24" :sm="24" :md="6" :lg="6" :xl="6" style="margin-bottom: 10px">
                        <div class="title">CPU使用率</div>
                        <el-tooltip placement="top-end">
                            <div slot="content" style="font-size: 12px;">
                                <div style="padding: 3px;">
                                    {{ data.cpu.name }}
                                </div>
                                <div style="padding: 3px">
                                    {{ data.cpu.package }}
                                </div>
                                <div style="padding: 3px">
                                    {{ data.cpu.core }}
                                </div>
                                <div style="padding: 3px">
                                    {{ data.cpu.logic }}
                                </div>
                            </div>
                            <div class="content">
                                <el-progress type="dashboard" :percentage="parseFloat(data.cpu.used)" />
                            </div>
                        </el-tooltip>
                        <div class="footer">{{ data.cpu.coreNumber }} 核心</div>
                    </el-col>
                    <el-col :xs="24" :sm="24" :md="6" :lg="6" :xl="6" style="margin-bottom: 10px">
                        <div class="title">内存使用率</div>
                        <el-tooltip placement="top-end">
                            <div slot="content" style="font-size: 12px;">
                                <div style="padding: 3px;">
                                    总量：{{ data.memory.total }}
                                </div>
                                <div style="padding: 3px">
                                    已使用：{{ data.memory.used }}
                                </div>
                                <div style="padding: 3px">
                                    空闲：{{ data.memory.available }}
                                </div>
                            </div>
                            <div class="content">
                                <el-progress type="dashboard" :percentage="parseFloat(data.memory.usageRate)" />
                            </div>
                        </el-tooltip>
                        <div class="footer">{{ data.memory.used }} / {{ data.memory.total }}</div>
                    </el-col>
                    <el-col :xs="24" :sm="24" :md="6" :lg="6" :xl="6" style="margin-bottom: 10px">
                        <div class="title">交换区使用率</div>
                        <el-tooltip placement="top-end">
                            <div slot="content" style="font-size: 12px;">
                                <div style="padding: 3px;">
                                    总量：{{ data.swap.total }}
                                </div>
                                <div style="padding: 3px">
                                    已使用：{{ data.swap.used }}
                                </div>
                                <div style="padding: 3px">
                                    空闲：{{ data.swap.available }}
                                </div>
                            </div>
                            <div class="content">
                                <el-progress type="dashboard" :percentage="parseFloat(data.swap.usageRate)" />
                            </div>
                        </el-tooltip>
                        <div class="footer">{{ data.swap.used }} / {{ data.swap.total }}</div>
                    </el-col>
                    <el-col :xs="24" :sm="24" :md="6" :lg="6" :xl="6" style="margin-bottom: 10px">
                        <div class="title">磁盘使用率</div>
                        <div class="content">
                            <el-tooltip placement="top-end">
                                <div slot="content" style="font-size: 12px;">
                                    <div style="padding: 3px">
                                        总量：{{ data.disk.total }}
                                    </div>
                                    <div style="padding: 3px">
                                        空闲：{{ data.disk.available }}
                                    </div>
                                </div>
                                <div class="content">
                                    <el-progress type="dashboard" :percentage="parseFloat(data.disk.usageRate)" />
                                </div>
                            </el-tooltip>
                        </div>
                        <div class="footer">{{ data.disk.used }} / {{ data.disk.total }}</div>
                    </el-col>
                </div>
            </el-card>

            <div>
                <el-row :gutter="6">
                    <el-col :xs="24" :sm="24" :md="12" :lg="12" :xl="12" style="margin-bottom: 10px">
                        <el-card class="box-card">
                            <div slot="header" class="clearfix">
                                <span style="font-weight: bold;color: #666;font-size: 15px">CPU使用率监控</span>
                            </div>
                            <div>
                                <v-chart :options="cpuInfo" />
                            </div>
                        </el-card>
                    </el-col>
                    <el-col :xs="24" :sm="24" :md="12" :lg="12" :xl="12" style="margin-bottom: 10px">
                        <el-card class="box-card">
                            <div slot="header" class="clearfix">
                                <span style="font-weight: bold;color: #666;font-size: 15px">内存使用率监控</span>
                            </div>
                            <div>
                                <v-chart :options="memoryInfo" />
                            </div>
                        </el-card>
                    </el-col>
                </el-row>
            </div>
        </div>
    </div>
</template>

<script>
import ECharts from 'vue-echarts';
import 'echarts/lib/chart/line';
import 'echarts/lib/component/polar';
import {initData} from '@/api/data';

export default {
    name: 'ServerMonitor',
    components: {
        'v-chart': ECharts
    },
    data() {
        return {
            show: false,
            monitor: null,
            url: 'api/monitor',
            data: {},
            cpuInfo: {
                tooltip: {
                    trigger: 'axis'
                },
                xAxis: {
                    type: 'category',
                    boundaryGap: false,
                    data: []
                },
                yAxis: {
                    type: 'value',
                    min: 0,
                    max: 100,
                    interval: 20
                },
                series: [{
                    data: [],
                    type: 'line',
                    areaStyle: {
                        normal: {
                            color: 'rgb(32, 160, 255)' // 改变区域颜色
                        }
                    },
                    itemStyle: {
                        normal: {
                            color: '#6fbae1',
                            lineStyle: {
                                color: '#6fbae1' // 改变折线颜色
                            }
                        }
                    }
                }]
            },
            memoryInfo: {
                tooltip: {
                    trigger: 'axis'
                },
                xAxis: {
                    type: 'category',
                    boundaryGap: false,
                    data: []
                },
                yAxis: {
                    type: 'value',
                    min: 0,
                    max: 100,
                    interval: 20
                },
                series: [{
                    data: [],
                    type: 'line',
                    areaStyle: {
                        normal: {
                            color: 'rgb(32, 160, 255)' // 改变区域颜色
                        }
                    },
                    itemStyle: {
                        normal: {
                            color: '#6fbae1',
                            lineStyle: {
                                color: '#6fbae1' // 改变折线颜色
                            }
                        }
                    }
                }]
            }
        };
    },
    created() {
        this.init();
        this.monitor = window.setInterval(() => {
            setTimeout(() => {
                this.init();
            }, 2);
        }, 3500);
    },
    destroyed() {
        clearInterval(this.monitor);
    },
    methods: {
        init() {
            initData(this.url, {}).then(data => {
                this.data = data;
                this.show = true;
                if (this.cpuInfo.xAxis.data.length >= 8) {
                    this.cpuInfo.xAxis.data.shift();
                    this.memoryInfo.xAxis.data.shift();
                    this.cpuInfo.series[0].data.shift();
                    this.memoryInfo.series[0].data.shift();
                }
                this.cpuInfo.xAxis.data.push(data.time);
                this.memoryInfo.xAxis.data.push(data.time);
                this.cpuInfo.series[0].data.push(parseFloat(data.cpu.used));
                this.memoryInfo.series[0].data.push(parseFloat(data.memory.usageRate));
            });
        }
    }
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
::v-deep .box-card {
    margin-bottom: 5px;

    span {
        margin-right: 28px;
    }

    .el-icon-refresh {
        margin-right: 10px;
        float: right;
        cursor: pointer;
    }
}

.cpu, .memory, .swap, .disk {
    width: 20%;
    float: left;
    padding-bottom: 20px;
    margin-right: 5%;
}

.title {
    text-align: center;
    font-size: 15px;
    font-weight: 500;
    color: #999;
    margin-bottom: 16px;
}

.footer {
    text-align: center;
    font-size: 15px;
    font-weight: 500;
    color: #999;
    margin-top: -5px;
    margin-bottom: 10px;
}

.content {
    text-align: center;
    margin-top: 5px;
    margin-bottom: 5px;
}
</style>
